gh0strat | d66b0b4f20e1561b6608fd9365985d87028d7dd6cf68a33d90e9fcb92701b6bb

Analysis

max time kernel
150s
max time network
19s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
19-01-2025 12:35

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General

Target

d66b0b4f20e1561b6608fd9365985d87028d7dd6cf68a33d90e9fcb92701b6bb.exe
Size

647KB
MD5

4526eb6093a778b09d03488134ee46fd
SHA1

277cedb5680fe7cce768ffa4d13ad16aef7b9038
SHA256

d66b0b4f20e1561b6608fd9365985d87028d7dd6cf68a33d90e9fcb92701b6bb
SHA512

9c7f404af5edef4672305f1eb681327d714eea064ffee81ab4fc973c2724b1579c2d5897412c9d62b9403042e9cbc3b81d6817dad2635ccf62666567cd4d4614
SSDEEP

12288:Pi2cAro2HQVWAHkFSq2hAWJYlMUtrxlyuJVRe8yEIgjqVYn:Pi2Tro2H2HESq2eWJ6MQjySjyEI8qVYn

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 8 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2368-14-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2368-17-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2368-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2024-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2024-43-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3044-48-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3044-51-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3044-53-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

resource	yara_rule
behavioral1/memory/2368-14-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2368-17-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2368-15-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2024-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2024-43-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3044-48-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3044-51-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3044-53-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat

Gh0strat
Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.
rat gh0strat
Gh0strat family
gh0strat
PurpleFox
PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.
rootkit trojan purplefox
Purplefox family
purplefox

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File created	C:\Windows\system32\drivers\QAssist.sys	TXPlatforn.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys"	TXPlatforn.exe

Executes dropped EXE 5 IoCs

pid	Process
2368	RVN.exe
2424	HD_d66b0b4f20e1561b6608fd9365985d87028d7dd6cf68a33d90e9fcb92701b6bb.exe
2024	TXPlatforn.exe
2312	Au_.exe
3044	TXPlatforn.exe

Loads dropped DLL 10 IoCs

pid	Process
1740	d66b0b4f20e1561b6608fd9365985d87028d7dd6cf68a33d90e9fcb92701b6bb.exe
1740	d66b0b4f20e1561b6608fd9365985d87028d7dd6cf68a33d90e9fcb92701b6bb.exe
2424	HD_d66b0b4f20e1561b6608fd9365985d87028d7dd6cf68a33d90e9fcb92701b6bb.exe
2424	HD_d66b0b4f20e1561b6608fd9365985d87028d7dd6cf68a33d90e9fcb92701b6bb.exe
2424	HD_d66b0b4f20e1561b6608fd9365985d87028d7dd6cf68a33d90e9fcb92701b6bb.exe
2424	HD_d66b0b4f20e1561b6608fd9365985d87028d7dd6cf68a33d90e9fcb92701b6bb.exe
2312	Au_.exe
2312	Au_.exe
2312	Au_.exe
2024	TXPlatforn.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\TXPlatforn.exe	RVN.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatforn.exe	RVN.exe

UPX packed file 9 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2368-12-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2368-14-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2368-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2368-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2024-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2024-43-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3044-48-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3044-51-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3044-53-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	HD_d66b0b4f20e1561b6608fd9365985d87028d7dd6cf68a33d90e9fcb92701b6bb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Au_.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RVN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TXPlatforn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d66b0b4f20e1561b6608fd9365985d87028d7dd6cf68a33d90e9fcb92701b6bb.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2180	cmd.exe
2272	PING.EXE

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral1/files/0x0007000000016d0c-7.dat	nsis_installer_1
behavioral1/files/0x0007000000016d0c-7.dat	nsis_installer_2

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2272	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1740	d66b0b4f20e1561b6608fd9365985d87028d7dd6cf68a33d90e9fcb92701b6bb.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
3044	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2368	RVN.exe
Token: SeLoadDriverPrivilege	3044	TXPlatforn.exe
Token: 33	3044	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	3044	TXPlatforn.exe
Token: 33	3044	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	3044	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1740	d66b0b4f20e1561b6608fd9365985d87028d7dd6cf68a33d90e9fcb92701b6bb.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 1740 wrote to memory of 2368	1740	d66b0b4f20e1561b6608fd9365985d87028d7dd6cf68a33d90e9fcb92701b6bb.exe	30
PID 1740 wrote to memory of 2368	1740	d66b0b4f20e1561b6608fd9365985d87028d7dd6cf68a33d90e9fcb92701b6bb.exe	30
PID 1740 wrote to memory of 2368	1740	d66b0b4f20e1561b6608fd9365985d87028d7dd6cf68a33d90e9fcb92701b6bb.exe	30
PID 1740 wrote to memory of 2368	1740	d66b0b4f20e1561b6608fd9365985d87028d7dd6cf68a33d90e9fcb92701b6bb.exe	30
PID 1740 wrote to memory of 2368	1740	d66b0b4f20e1561b6608fd9365985d87028d7dd6cf68a33d90e9fcb92701b6bb.exe	30
PID 1740 wrote to memory of 2368	1740	d66b0b4f20e1561b6608fd9365985d87028d7dd6cf68a33d90e9fcb92701b6bb.exe	30
PID 1740 wrote to memory of 2368	1740	d66b0b4f20e1561b6608fd9365985d87028d7dd6cf68a33d90e9fcb92701b6bb.exe	30
PID 1740 wrote to memory of 2424	1740	d66b0b4f20e1561b6608fd9365985d87028d7dd6cf68a33d90e9fcb92701b6bb.exe	31
PID 1740 wrote to memory of 2424	1740	d66b0b4f20e1561b6608fd9365985d87028d7dd6cf68a33d90e9fcb92701b6bb.exe	31
PID 1740 wrote to memory of 2424	1740	d66b0b4f20e1561b6608fd9365985d87028d7dd6cf68a33d90e9fcb92701b6bb.exe	31
PID 1740 wrote to memory of 2424	1740	d66b0b4f20e1561b6608fd9365985d87028d7dd6cf68a33d90e9fcb92701b6bb.exe	31
PID 1740 wrote to memory of 2424	1740	d66b0b4f20e1561b6608fd9365985d87028d7dd6cf68a33d90e9fcb92701b6bb.exe	31
PID 1740 wrote to memory of 2424	1740	d66b0b4f20e1561b6608fd9365985d87028d7dd6cf68a33d90e9fcb92701b6bb.exe	31
PID 1740 wrote to memory of 2424	1740	d66b0b4f20e1561b6608fd9365985d87028d7dd6cf68a33d90e9fcb92701b6bb.exe	31
PID 2424 wrote to memory of 2312	2424	HD_d66b0b4f20e1561b6608fd9365985d87028d7dd6cf68a33d90e9fcb92701b6bb.exe	33
PID 2424 wrote to memory of 2312	2424	HD_d66b0b4f20e1561b6608fd9365985d87028d7dd6cf68a33d90e9fcb92701b6bb.exe	33
PID 2424 wrote to memory of 2312	2424	HD_d66b0b4f20e1561b6608fd9365985d87028d7dd6cf68a33d90e9fcb92701b6bb.exe	33
PID 2424 wrote to memory of 2312	2424	HD_d66b0b4f20e1561b6608fd9365985d87028d7dd6cf68a33d90e9fcb92701b6bb.exe	33
PID 2424 wrote to memory of 2312	2424	HD_d66b0b4f20e1561b6608fd9365985d87028d7dd6cf68a33d90e9fcb92701b6bb.exe	33
PID 2424 wrote to memory of 2312	2424	HD_d66b0b4f20e1561b6608fd9365985d87028d7dd6cf68a33d90e9fcb92701b6bb.exe	33
PID 2424 wrote to memory of 2312	2424	HD_d66b0b4f20e1561b6608fd9365985d87028d7dd6cf68a33d90e9fcb92701b6bb.exe	33
PID 2368 wrote to memory of 2180	2368	RVN.exe	34
PID 2368 wrote to memory of 2180	2368	RVN.exe	34
PID 2368 wrote to memory of 2180	2368	RVN.exe	34
PID 2368 wrote to memory of 2180	2368	RVN.exe	34
PID 2024 wrote to memory of 3044	2024	TXPlatforn.exe	35
PID 2024 wrote to memory of 3044	2024	TXPlatforn.exe	35
PID 2024 wrote to memory of 3044	2024	TXPlatforn.exe	35
PID 2024 wrote to memory of 3044	2024	TXPlatforn.exe	35
PID 2024 wrote to memory of 3044	2024	TXPlatforn.exe	35
PID 2024 wrote to memory of 3044	2024	TXPlatforn.exe	35
PID 2024 wrote to memory of 3044	2024	TXPlatforn.exe	35
PID 2180 wrote to memory of 2272	2180	cmd.exe	37
PID 2180 wrote to memory of 2272	2180	cmd.exe	37
PID 2180 wrote to memory of 2272	2180	cmd.exe	37
PID 2180 wrote to memory of 2272	2180	cmd.exe	37

C:\Users\Admin\AppData\Local\Temp\d66b0b4f20e1561b6608fd9365985d87028d7dd6cf68a33d90e9fcb92701b6bb.exe
"C:\Users\Admin\AppData\Local\Temp\d66b0b4f20e1561b6608fd9365985d87028d7dd6cf68a33d90e9fcb92701b6bb.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1740
- C:\Users\Admin\AppData\Local\Temp\RVN.exe
  C:\Users\Admin\AppData\Local\Temp\\RVN.exe
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2368
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ping -n 2 127.0.0.1 > nul && del C:\Users\Admin\AppData\Local\Temp\RVN.exe > nul
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:2180
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      System Location Discovery: System Language Discovery
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:2272
- C:\Users\Admin\AppData\Local\Temp\HD_d66b0b4f20e1561b6608fd9365985d87028d7dd6cf68a33d90e9fcb92701b6bb.exe
  C:\Users\Admin\AppData\Local\Temp\HD_d66b0b4f20e1561b6608fd9365985d87028d7dd6cf68a33d90e9fcb92701b6bb.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2424
- - C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
    "C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe" _?=C:\Users\Admin\AppData\Local\Temp\
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:2312

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2024
- C:\Windows\SysWOW64\TXPlatforn.exe
  C:\Windows\SysWOW64\TXPlatforn.exe -acsi
  2⤵
  - Drops file in Drivers directory
  - Sets service image path in registry
  - Executes dropped EXE
  - Suspicious behavior: LoadsDriver
  - Suspicious use of AdjustPrivilegeToken
  PID:3044

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Remote System Discovery

T1018

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\HD_X.dat

Filesize
576KB

MD5
5dcb6d404cf0dd69d0c6a7912f41991b

SHA1
7554c815c8620f3180e4509f31c82abbbfc8de9d

SHA256
5b5710c426d2544d5929b3901793db602db2df71379c1477212fa4bee20a8223

SHA512
5b92fa856334f34aab4bd315ff9e3e9d52df0db8d049d69f6cd49f052935b76b17a3b5e6bb1922690b170899066e12e836b060cfc15689064d9900924ffa3176

Download Submit
\Users\Admin\AppData\Local\Temp\HD_d66b0b4f20e1561b6608fd9365985d87028d7dd6cf68a33d90e9fcb92701b6bb.exe

Filesize
71KB

MD5
5780a712cba03e138db663efe1c82ca0

SHA1
9f94999333108deeb515cc61654a1723157796e7

SHA256
affa763f47002c532342122e58bff042564585ea54ec3c11044f76f27340e7bb

SHA512
7911795d85e694396b0fe0d9aa98cc33a89ef7e2d7c841284c2b2ca9bad9e536c99c8e130e13c87eb463d38955538d9a74c81ec347dcb38916be3315b12dbbac

Download Submit
\Users\Admin\AppData\Local\Temp\RVN.exe

Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
memory/2024-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2024-43-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2368-12-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2368-14-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2368-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2368-15-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3044-48-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3044-51-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3044-53-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download